121141222423 has 12 divisors (see below), whose sum is σ = 131186824968. Its totient is φ = 111813942240.

The previous prime is 121141222421. The next prime is 121141222427. The reversal of 121141222423 is 324222141121.

It is not a de Polignac number, because 121141222423 - 2¹ = 121141222421 is a prime.

It is a super-3 number, since 3×121141222423³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121141222421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3343561 + ... + 3379597.

It is an arithmetic number, because the mean of its divisors is an integer number (10932235414).

Almost surely, 2^121141222423 is an apocalyptic number.

121141222423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121141222423 is a deficient number, since it is larger than the sum of its proper divisors (10045602545).

121141222423 is a wasteful number, since it uses less digits than its factorization.

121141222423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55954 (or 55941 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

Adding to 121141222423 its reverse (324222141121), we get a palindrome (445363363544).

The spelling of 121141222423 in words is "one hundred twenty-one billion, one hundred forty-one million, two hundred twenty-two thousand, four hundred twenty-three".